Dust removal device for casting production

Abstract

The utility model relates to the related field of dust removal devices, in particular to a dust removal device for casting production, which comprises a support frame, a dust removal box, a partition plate, a water supply pipe, an atomizing nozzle, a guide fan, a dust remover, an outer box body, an electric push rod, a filter screen plate, a fixed plate, a baffle plate, an air inlet pipe, a guide cylinder, a pore plate and the like. According to the utility model, the pore plate is arranged to guide the entering flue gas, so that the flue gas entering below the atomizing spray head is more uniform, overlarge local airflow or dead angle areas formed in the dust removal box are reduced, the dust removal effect is improved, the introduced flue gas can be preliminarily filtered through the filter screen plate, the burden of a subsequent dust remover is reduced, and the dust removal effect is improved; the filter screen plate can be driven by the electric push rod to rotate to collide with the fixed plate, so that dust and impurities attached to the filter screen plate are shaken off, the flue gas can smoothly penetrate through the filter screen plate while the filter screen plate continuously filters the flue gas, and the stability of the dust removal device in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal device related field, especially a dust removal device for foundry production. BACKGROUND

[0002] In the foundry production process, dust removal device is often needed to use, this is because the foundry process (including smelting, casting, sand processing etc. link) can produce a large amount of dust and flue gas, these dusts not only cause pollution to the environment, also can constitute the threat to the health of workers, therefore, in order to reach the requirement of environmental protection and guarantee the health of staff, it is very necessary to install effective dust removal equipment.

[0003] Now when flue gas is dusted, the wet dust removal method that water mist is contacted with dust-containing gas, makes dust particle be wetted and falls down is one of them, but in use, the flue gas is directly introduced into the dust removal device through the fan, and the uniformity of the introduced flue gas is poor, the local airflow is easy to form or dead angle area in the dust removal device, which affects the dust removal effect, and the dust removal burden is large by only water mist dust removal, it is difficult to comprehensively dust, which easily affects the dust removal effect. SUMMARY

[0004] Therefore, in order to solve the above problems, the utility model provides a dust removal device for foundry production to solve the above technical problems.

[0005] In order to achieve the above object, the utility model takes the following technical scheme: a dust removal device for foundry production, including support frame, install dust removal box in support frame top end surface, fixedly install dust remover in dust removal box inside top, the outside bottom of dust removal box is installed with guide fan, the air outlet end of guide fan penetrates the side surface of dust removal box, the air outlet end of dust remover penetrates the inside end surface of dust removal box, the side surface of support frame is installed with outer box body, the inside of dust removal box is installed with a plurality of staggered distribution baffle, and the inside of dust removal box is installed with guide cylinder that can cover the air outlet end of guide fan completely;

[0006] The top end surface of the uppermost baffle is connected with the bottom end surface of the dust remover, three side walls of the baffle are connected with the inner wall of the dust removal box respectively, and the free end of the baffle is spaced apart from the inner wall of the dust removal box to form a flow port, wherein the lowermost flow port is away from the guide fan, and the uppermost flow port is away from the dust remover;

[0007] The bottom end surface of each baffle is installed with a water supply pipe, one end of the water supply pipe is closed, and the other end penetrates the inner wall of the dust removal box, and the bottom end surface of the water supply pipe is installed with a plurality of atomizing nozzles;

[0008] The inner top of the outer box body is communicated with the air inlet end of the guide fan, and an electric push rod and a filter screen plate are rotatably installed in the box body.

[0009] The side surface of the box body is fixedly penetrated by an air inlet pipe located below the fixed plate.

[0010] The guide cylinder is rotatably installed with a hole plate.

[0011] Preferably, the bottom end surface of the dust removal box is fixedly penetrated by a drain pipe.

[0012] Preferably, the inner top of the dust removal box is installed with an electric heating wire, the electric heating wire is located at the top of the uppermost baffle, and the electric heating wire is opposite to the air inlet end of the dust remover.

[0013] Preferably, the outer box body is installed with a baffle, three side surfaces of the baffle are connected with the inner wall of the outer box body, the free end of the baffle is spaced apart from the inner wall of the outer box body, and the top end surface of the baffle is lower than the bottom end surface of the air inlet pipe.

[0014] Preferably, the baffle in the outer box body extends downwardly and downwardly from the fixed end to the free end.

[0015] Preferably, the top end surface of the fixed plate is pasted with a rubber pad.

[0016] Preferably, the side surface of the hole plate is fixedly sleeved with a gear ring, an upper portion of the gear ring is provided with a driving gear engaged with the gear ring, and an inner ring of the driving gear is connected with an output shaft of a motor installed at the top of the guide cylinder.

[0017] The dust removal device has the advantages that:

[0018] The hole plate is arranged to guide the entering flue gas, so that the flue gas entering below the atomizing nozzle is more uniform, the local airflow or dead angle area in the dust removal box is reduced, the dust removal effect is improved, the imported flue gas can be preliminarily filtered through the filter screen plate, the burden of the subsequent dust remover is reduced, the dust removal effect is improved, and the dust and impurities attached to the filter screen plate can be shaken off through the rotation of the filter screen plate driven by the electric push rod and the collision with the fixed plate, so that the flue gas can flow through the filter screen plate smoothly while the filter screen plate continuously filters the flue gas, and the stability of the dust removal device in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the utility model;

[0020] Figure 2 is a structural schematic view of the utility model; Figure 1 is an enlarged schematic view of the structure at A in the utility model.

[0021] Wherein: support frame-1, dust removal box-2, partition-3, flow port-4, water supply pipe-5, atomizing nozzle-6, guide fan-7, electric heating wire-8, dust collector-9, outer box-10, electric push rod-11, filter screen plate-12, fixed plate-13, baffle-14, air inlet pipe-15, rubber pad-16, drain pipe-17, guide cylinder-18, orifice plate-19, gear ring-20, drive gear-21, motor-22. DETAILED DESCRIPTION

[0022] In order to further explain the technical scheme of the utility model, the following specific embodiments are described in detail.

[0023] As Figure 1 shown, the utility model provides a dust removal device for foundry production, including support frame 1, fixed installation in support frame 1 top end surface dust removal box 2, solidly installed in dust removal box 2 inner side top dust collector 9, the left end surface bottom of dust removal box 2 is installed with guide fan 7, the air outlet end of guide fan 7 penetrates the left end surface of dust removal box 2, the air outlet end of dust collector 9 penetrates the inner side end surface of dust removal box 2, dust collector 9 is used to further dust removal treatment to the flue gas in foundry production, reduces the pollution of flue gas to the environment;

[0024] The bottom end surface of the dust removal box 2 in the embodiment is fixedly penetrated by a drain pipe 17, which facilitates the external discharge of used dust removal water in the dust removal box 2 through the drain pipe 17;

[0025] In the embodiment, an electric heating wire 8 is installed on the inner top of the dust removal box 2, the electric heating wire 8 is located on the top of the uppermost partition 3, and the electric heating wire 8 is opposite to the air inlet end of the dust collector 9, so as to facilitate the drying and dehumidifying of the flowing air by the electric heating wire 8;

[0026] As Figure 1 and Figure 2 shown, the left end surface of the support frame 1 in the embodiment is fixedly installed with an outer box 10, a plurality of staggered distribution partitions 3 are installed in the inner side of the dust removal box 2, and a guide cylinder 18 capable of completely covering the air outlet end of the guide fan 7 is installed in the dust removal box 2, the guide cylinder 18 is used for guiding the conveying of flue gas;

[0027] The top end surface of the uppermost partition 3 is connected with the bottom end surface of the dust collector 9, the three side walls of the partition 3 are respectively connected with the inner walls of the dust removal box 2, and the free end of the partition 3 and the inner wall of the dust removal box 2 are provided with a spacing to form a flow port 4 for conveying flue gas, wherein the lowermost flow port 4 is away from the guide fan 7, and the uppermost flow port 4 is away from the dust collector 9;

[0028] The bottom end surface of each partition plate 3 is provided with a water supply pipe 5, one end of which is closed and the other end of which penetrates the inner wall of the dust removal box 2, the water supply pipe 5 being used to transport dust removal water, and the bottom end surface of the water supply pipe 5 is provided with a plurality of atomizing nozzles 6 used to spray water mist;

[0029] The inner top of the outer box body 10 is in communication with the air inlet end of the guide fan 7, and the electric push rod 11 and the filter screen plate 12 are rotatably installed in the box body 10, the inner wall of the outer box body 10 is provided with the fixed plate 13 located below the free end of the filter screen plate 12, and the piston rod of the electric push rod 11 is rotatably connected to the top of the filter screen plate 12, so as to drive the filter screen plate 12 to rotate in the outer box body 10 and collide with the fixed plate 13, thereby shaking off the dust and impurities on the filter screen plate 12, preventing the mesh holes of the filter screen plate 12 from being blocked, and enabling the flue gas to smoothly pass through the filter screen plate 12 for transportation.

[0030] The side surface of the box body 10 is fixedly penetrated by the air inlet pipe 15 located below the fixed plate 13;

[0031] The hole plate 19 is rotatably installed in the guide cylinder 18, and the hole plate 19 is used to uniformly guide the input flue gas;

[0032] In the embodiment, the baffle 14 is installed in the outer box body 10, three side surfaces of the baffle 14 are connected with the inner wall of the outer box body 10 respectively, and the free end of the baffle 14 is spaced apart from the inner wall of the outer box body 10, the top end surface of the baffle 14 is lower than the bottom end surface of the air inlet pipe 15, so as to separate the collected dust and impurities in the outer box body 10 by the baffle 14, and reduce the collected dust and impurities from being sucked into the guide fan 7 again;

[0033] In the embodiment, the baffle 14 in the outer box body 10 extends downward from the fixed end to the free end, so as to facilitate the dust and impurities on the top of the baffle 14 to slide downward into the inner bottom of the outer box body 10;

[0034] In the embodiment, the top end surface of the fixed plate 13 is pasted with the rubber pad 16, so as to reduce the damage caused by the hard collision between the filter screen plate 12 and the fixed plate 13;

[0035] In the embodiment, the side surface of the hole plate 19 is fixedly sleeved with the gear ring 20, the upper portion of the gear ring 20 is provided with the driving gear 21 engaged with the gear ring 20, the inner ring of the driving gear 21 is connected with the output shaft of the motor 22 installed at the top of the guide cylinder 18, the driving gear 21 is driven to rotate by the motor 22, the driving gear 21 drives the hole plate 19 to rotate in cooperation with the gear ring 20, the hole plate 19 continuously rotates to change the airflow path, strong turbulent effect is generated, the particulate matters in the harmful gas are more uniformly dispersed, and the contact opportunities between the particulate matters and the spray water droplets are increased;

[0036] Specifically, in use, the end of the water feeding pipe 5 is connected to an external water feeding device, and the end of the air feeding pipe 15 is connected to the air outlet of the casting production device, the induced fan 7 is started to suck the smoke generated in the casting production, the sucked smoke is preliminarily filtered by the filter screen plate 12 when passing through the outer box body 10, and the smoke is first passed through the guide cylinder 18 when being guided by the induced fan 7 into the inside of the dust removal box 2, the smoke is dispersed by the hole plate 19 rotating continuously in the guide cylinder 18, the dispersed smoke enters the lower side of the atomizing nozzle 6, the water mist sprayed by the atomizing nozzle 6 contacts the dust-containing gas, the dust particles are wetted and then fall down, the sewage is discharged outward through the drain pipe 17, and the smoke passes through each flow port 4 and then enters the lower side of the next group of atomizing nozzles 6 to be treated by multiple times of dust removal, so that the dust removal effect of the smoke is improved.

[0037] The dust-removed gas is dried by the electric heating wire 8, and is further treated by the dust collector 9 before being discharged.

[0038] The above is only the preferred example of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those skilled in the art, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dust removal device for foundry production, comprising a support frame, a dust removal box mounted on the top surface of the support frame, a dust remover fixed on the inner top of the dust removal box, a guide fan mounted on the outer bottom of the dust removal box, the air outlet end of the guide fan penetrating the side surface of the dust removal box, and the air outlet end of the dust remover penetrating the inner end surface of the dust removal box. characterized in that The side surface of the support frame is provided with an outer box body, the inner side of the dust removal box is provided with a plurality of staggered distribution partitions, and the dust removal box is provided with a guide cylinder capable of completely covering the air outlet end of the guide fan. The top end surface of the uppermost partition is connected with the bottom end surface of the dust remover, the three side walls of the partition are respectively connected with the inner wall of the dust removal box, and the free end of the partition is spaced apart from the inner wall of the dust removal box to form a flow port, wherein the lowermost flow port is far away from the guide fan, and the uppermost flow port is far away from the dust remover. The bottom end surface of each partition is provided with a water supply pipe, one end of the water supply pipe is closed, and the other end penetrates the inner wall of the dust removal box, and the bottom end surface of the water supply pipe is provided with a plurality of atomizing nozzles. The inner top of the outer box body is connected with the air inlet end of the guide fan, and an electric push rod and a filter screen plate are rotatably installed in the box body, a fixed plate is installed on the inner wall of the outer box body below the free end of the filter screen plate, and the piston rod of the electric push rod is rotatably connected with the top of the filter screen plate. The side surface of the box body is fixedly penetrated by an air inlet pipe below the fixed plate. A hole plate is rotatably installed in the guide cylinder.

2. The dust removal device for casting production according to claim 1, characterized in that: The bottom end surface of the dust removal box is fixedly penetrated by a drain pipe.

3. The dust removal device for casting production according to claim 1, characterized in that: An electric heating wire is installed on the inner top of the dust removal box, the electric heating wire is located on the top of the uppermost partition, and the electric heating wire is opposite to the air inlet end of the dust remover.

4. The dust removal device for casting production according to claim 1, characterized in that: A baffle is installed in the outer box body, three side surfaces of the baffle are respectively connected with the inner wall of the outer box body, and the free end of the baffle is spaced apart from the inner wall of the outer box body, and the top end surface of the baffle is lower than the bottom end surface of the air inlet pipe.

5. The dust removal device for casting production according to claim 4, characterized in that: The baffle in the outer box body extends downward from the fixed end to the free end.

6. The dust removal device for casting production according to claim 1, characterized in that: A rubber pad is attached to the top end surface of the fixed plate.

7. The dust removal device for casting production according to claim 1, characterized in that: The side surface of the hole plate is fixedly sleeved with a gear ring, a driving gear meshing with the gear ring is arranged above the gear ring, and the inner ring of the driving gear is connected with the output shaft of the motor installed on the top of the guide cylinder.

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